.fsbp-wrapper {
    position: fixed;
    bottom: var(--fsbp-offset-y, 20px);
    z-index: var(--fsbp-z, 9999);
    display: flex;
    flex-direction: column;
    gap: var(--fsbp-gap, 12px);
}

.fsbp-wrapper.fsbp-right {
    right: var(--fsbp-offset-x, 20px);
}

.fsbp-wrapper.fsbp-left {
    left: var(--fsbp-offset-x, 20px);
}

.fsbp-item {
    position: relative;
    width: var(--fsbp-size, 58px);
    height: var(--fsbp-size, 58px);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: #fff;
    background: var(--fsbp-btn-color, #333);
    box-shadow: 0 14px 30px rgba(0,0,0,.18);
    transition: transform .25s ease, box-shadow .25s ease, opacity .25s ease, filter .25s ease;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.fsbp-item::before {
    content: "";
    position: absolute;
    inset: 1px;
    border-radius: inherit;
    background: linear-gradient(180deg, rgba(255,255,255,.18), rgba(255,255,255,.04));
    pointer-events: none;
}

.fsbp-item:hover {
    transform: translateY(-4px) scale(1.04);
    box-shadow: 0 18px 36px rgba(0,0,0,.22);
    color: #fff;
    filter: saturate(1.08);
}

.fsbp-style-circle .fsbp-item {
    border-radius: 50%;
}

.fsbp-style-rounded .fsbp-item {
    border-radius: 18px;
}

.fsbp-style-square .fsbp-item {
    border-radius: 8px;
}

.fsbp-item .dashicons {
    font-size: var(--fsbp-icon-size, 24px);
    width: var(--fsbp-icon-size, 24px);
    height: var(--fsbp-icon-size, 24px);
    line-height: var(--fsbp-icon-size, 24px);
    position: relative;
    z-index: 2;
}

.fsbp-custom-icon {
    width: var(--fsbp-icon-size, 24px);
    height: var(--fsbp-icon-size, 24px);
    object-fit: contain;
    position: relative;
    z-index: 2;
}

.fsbp-tooltip {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(17, 24, 39, .96);
    color: #fff;
    font-size: 13px;
    line-height: 1;
    padding: 10px 12px;
    border-radius: 10px;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all .22s ease;
    pointer-events: none;
    box-shadow: 0 10px 26px rgba(0,0,0,.18);
}

.fsbp-tooltip-left .fsbp-tooltip {
    right: calc(100% + 12px);
}

.fsbp-tooltip-right .fsbp-tooltip {
    left: calc(100% + 12px);
}

.fsbp-item:hover .fsbp-tooltip {
    opacity: 1;
    visibility: visible;
}

.fsbp-anim-pulse .fsbp-item {
    animation: fsbpPulse 2.1s infinite;
}

.fsbp-anim-bounce .fsbp-item {
    animation: fsbpBounce 2.1s infinite;
}

.fsbp-anim-shake .fsbp-item {
    animation: fsbpShake 2.1s infinite;
}

.fsbp-anim-float .fsbp-item {
    animation: fsbpFloat 3s ease-in-out infinite;
}

@keyframes fsbpPulse {
    0% { box-shadow: 0 0 0 0 rgba(0,0,0,.22), 0 14px 30px rgba(0,0,0,.18); }
    70% { box-shadow: 0 0 0 14px rgba(0,0,0,0), 0 14px 30px rgba(0,0,0,.18); }
    100% { box-shadow: 0 0 0 0 rgba(0,0,0,0), 0 14px 30px rgba(0,0,0,.18); }
}

@keyframes fsbpBounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-7px); }
    60% { transform: translateY(-4px); }
}

@keyframes fsbpShake {
    0%, 100% { transform: translateX(0); }
    20% { transform: translateX(-2px); }
    40% { transform: translateX(2px); }
    60% { transform: translateX(-2px); }
    80% { transform: translateX(2px); }
}

@keyframes fsbpFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

@media (max-width: 767px) {
    .fsbp-wrapper {
        bottom: max(var(--fsbp-offset-y, 20px), 14px);
        gap: max(var(--fsbp-gap, 12px), 10px);
    }

    .fsbp-wrapper.fsbp-right {
        right: max(var(--fsbp-offset-x, 20px), 12px);
    }

    .fsbp-wrapper.fsbp-left {
        left: max(var(--fsbp-offset-x, 20px), 12px);
    }

    .fsbp-tooltip {
        display: none;
    }
}